xtremerat | 201c24ad80a493b530835413d8a904c504bd27cf3c509c4b64cec44f3ab1f14e

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 21:55

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General

Target

manycam1.exe
Size

33KB
MD5

410f4badf0faec4a98c5f03935f81b2f
SHA1

f68cadc5ae367272146b975033a195dd3c956a77
SHA256

9018301334a6982207be515d59738a66abab7080cd5d12d673052d39137460b6
SHA512

df12bd83f11bc5a5b0c8c44ec041d55af23bc71822b8a5e879e356f62a2bc4b1a414ffd38bd4d8b887d6ba65a7cba2ef96c54368bd2e0618205f6ee4466ea188
SSDEEP

768:WMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l/tzS7IPlo:DNW71rcYDAWeotvXlFWWl

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

sexylegs.ddns.net

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4072-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4072-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2808-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2808-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{3XT5288U-GGDS-14RE-62Q7-0801G0FKV3K1}	manycam1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3XT5288U-GGDS-14RE-62Q7-0801G0FKV3K1}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	manycam1.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2808-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4072-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4072-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2808-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2808-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	manycam1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	manycam1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	manycam1.exe
File created	C:\Windows\InstallDir\Server.exe	manycam1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2344	4072	WerFault.exe	82
4392	4072	WerFault.exe	82

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	manycam1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 4072	2808	manycam1.exe	82
PID 2808 wrote to memory of 4072	2808	manycam1.exe	82
PID 2808 wrote to memory of 4072	2808	manycam1.exe	82
PID 2808 wrote to memory of 4072	2808	manycam1.exe	82

C:\Users\Admin\AppData\Local\Temp\manycam1.exe
"C:\Users\Admin\AppData\Local\Temp\manycam1.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 480
    3⤵
    - Program crash
    PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 476
    3⤵
    - Program crash
    PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4072 -ip 4072
1⤵
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4072 -ip 4072
1⤵
PID:1912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2808-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2808-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2808-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4072-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4072-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads